Dooble
dooble_aes256.h
1 /*
2 ** Copyright (c) 2008 - present, Alexis Megas.
3 ** All rights reserved.
4 **
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8 ** 1. Redistributions of source code must retain the above copyright
9 ** notice, this list of conditions and the following disclaimer.
10 ** 2. Redistributions in binary form must reproduce the above copyright
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14 ** derived from Dooble without specific prior written permission.
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26 */
27 
28 #ifndef dooble_aes256_h
29 #define dooble_aes256_h
30 
31 #include <QByteArray>
32 
33 extern "C"
34 {
35 #include <stdint.h>
36 }
37 
38 #include "dooble_block_cipher.h"
39 
41 {
42  public:
43  dooble_aes256(const QByteArray &key);
44  ~dooble_aes256();
45  QByteArray decrypt(const QByteArray &data);
46  QByteArray encrypt(const QByteArray &data);
47  static void test1(void);
48  static void test1_decrypt_block(void);
49  static void test1_encrypt_block(void);
50  static void test1_key_expansion(void);
51  void set_key(const QByteArray &key);
52 
53  private:
54  size_t m_Nb;
55  size_t m_Nk;
56  size_t m_Nr;
57  uint8_t m_round_key[60][4];
58  uint8_t m_state[4][4]; // 4 rows, Nb columns.
59  QByteArray decrypt_block(const QByteArray &block);
60  QByteArray encrypt_block(const QByteArray &block);
61  static uint8_t xtime(uint8_t x);
62  static uint8_t xtime_special(uint8_t x, uint8_t y);
63  void add_round_key(size_t c);
64  void inv_mix_columns(void);
65  void inv_shift_rows(void);
66  void inv_sub_bytes(void);
67  void key_expansion(void);
68  void mix_columns(void);
69  void shift_rows(void);
70  void sub_bytes();
71 };
72 
73 #endif
Definition: dooble_aes256.h:40
Definition: dooble_block_cipher.h:33